No offense Pointhope but wth are you talking about, clearly uneducated on Bitcoin Cash and the current state of things.
It is not a completely invalid what he states, although the tone could have been better
But there are risks in having them on exchange sites given the history of some larger exchange sites that closed suddenly and froze/stole people's balances. Once the market matures a bit more and becomes better regulated, this risk will lower.Back to the point, there is an excellent post here above that actually describes it thoroughly and well.
Yes, saving coins in a personal wallet is the best thing which you can do if your primary concern is safety. Correct me if I'm wrong on this, but to get the alternative chain coins, your wallet should support this new chain, right? And if it doesn't do that right from the start while you want to sell the forked coins immediately, this may be a suboptimal option.